Reacton
[医] 反应单位
🗣️ 情景例句
Do you have smokers' toothpaste?
你这儿有吸烟者用的牙膏吗？
I appreciate your helping me.
感谢你的帮助。
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。